游戏任务是走完所有的直线。这个程序有了一个基本游戏的一切要素，关卡，生命值，声音和一个游戏道具。知识点包括直线，反走样，正投影，计时，基本的音效和一个简单的游戏逻辑-Has completed the game task is all the lines. This program has all the elements of a basic game, level, life values, sounds, and a game props. Knowledge points, includ